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(11)

EP 2 841 702 A1

(12)

(43) Date of publication: 04.03.2015 Bulletin 2015/10 (21) Application number: 13781752.4 (22) Date of filing: 20.04.2013

(51) International Patent Classification (IPC):  F01D 5/12(2006.01) F01D 9/00(2006.01) F02K 3/00(2006.01) F01D 5/18(2006.01) F02C 7/12(2006.01) (86) International application number: PCT/US2013/037498 (87) International publication number: WO 2013/163046 (31.10.2013 Gazette 2013/44)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 24.04.2012 US 201213454369 (71) Applicant: United Technologies Corporation Hartford, CT 06101 (US)	(72) Inventors: FISK, Benjamin T. East Granby, Connecticut 06026 (US) PROPHETER-HINCKLEY, Tracy A. Manchester, Connecticut 06042 (US) DOLANSKY, Gregory M. Higganum, Connecticut 06441 (US) TRACY, Anita L. Middletown, Connecticut 06457 (US) (74) Representative: Leckey, David Herbert  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)